xref: /freebsd/contrib/openpam/doc/man/pam_get_data.3 (revision 2f3ed61901142025bf8b99c3bda7b38dd74b09a8)

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.\" Copyright (c) 2004-2011 Dag-Erling Smørgrav
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.\" Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
.\" ("CBOSS"), as part of the DARPA CHATS research program.
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.Dd May 26, 2012
.Dt PAM_GET_DATA 3
.Os
.Sh NAME
.Nm pam_get_data
.Nd get module information
.Sh LIBRARY
.Lb libpam
.Sh SYNOPSIS
.In sys/types.h
.In security/pam_appl.h
.Ft "int"
.Fn pam_get_data "const pam_handle_t *pamh" "const char *module_data_name" "const void **data"
.Sh DESCRIPTION
The
.Fn pam_get_data
function looks up the opaque object associated with
the string specified by the
.Fa module_data_name
argument, in the PAM
context specified by the
.Fa pamh
argument.
A pointer to the object is stored in the location pointed to by the
.Fa data
argument.
If
.Fn pam_get_data
fails, the
.Fa data
argument is untouched.
.Pp
This function and its counterpart
.Xr pam_set_data 3
are useful for managing
data that are meaningful only to a particular service module.
.Sh RETURN VALUES
The
.Fn pam_get_data
function returns one of the following values:
.Bl -tag -width 18n
.It Bq Er PAM_NO_MODULE_DATA
Module data not found.
.It Bq Er PAM_SYSTEM_ERR
System error.
.El
.Sh SEE ALSO
.Xr pam 3 ,
.Xr pam_set_data 3 ,
.Xr pam_strerror 3
.Sh STANDARDS
.Rs
.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
.%D "June 1997"
.Re
.Sh AUTHORS
The
.Fn pam_get_data
function and this manual page were
developed for the
.Fx
Project by ThinkSec AS and Network Associates Laboratories, the
Security Research Division of Network Associates, Inc.\& under
DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.